1. 

   Djadamo91 New Member

   Hi guys Iv got the F22 error showing on my valiant boiler and was just wondering do I just need to attach a flexi hose to these to fill the boiler? Thanks in advance for any help

    

   Djadamo91, Mar 25, 2017

   #1
2. 

   CGN Screwfix Select

   Can't help you with F22 error, although Google will but yep, that's for your filling loop.

    

   CGN, Mar 26, 2017

   #2
3. 

   KIAB Super Member

   F22 Dry Fire: Too little water in appliance, water pressure sensor defective,cable to pump,or water sensor defective, pump blocked or defective & finally pump output too low.

    

   Last edited: Mar 26, 2017

   KIAB, Mar 26, 2017

   #3

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